CVE-2026-69436: Windows Error Reporting Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Other sources
Windows Error Reporting Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized to access the affected Windows system and exploit the issue locally. The provided information does not indicate that remote exploitation is possible.
Which systems are listed as affected?
The affected software list includes Microsoft Windows 10, Microsoft Windows 11, Windows Server 2019, Windows Server 2022, and Windows Server 2025.
What level of impact could successful exploitation have?
Successful exploitation can elevate the local attacker's privileges. The supplied severity vector indicates high impact to confidentiality, integrity, and availability.